Home / 1,542,378.63-2,313,967.23-903,222.39

Finding the Fourth Proportional to 1,542,378.63, 2,313,967.23 and 903,222.39

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Solution

The fourth proportional to 1,542,378.63, 2,313,967.23 and 903,222.39 is: 1,355,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,378.63 : 2,313,967.23 = 903,222.39 : x
  2. Step 2: Convert to fraction form
    1,542,378.63/2,313,967.23 = 903,222.39/x
  3. Step 3: Cross multiply
    1,542,378.63x = 2,313,967.23 × 903,222.39
  4. Step 4: Simplify right side
    1,542,378.63x = 2,090,027,011,862.28
  5. Step 5: Solve for x
    x = 2,090,027,011,862.28/1,542,378.63
  6. Step 6: Final answer
    x = 1,355,067.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.